Security canopy for filing cabinet drawer



June 26, 1962 R. w. ARMSTRONG 3,041,124

SECURITY CANOPY FOR FILING CABINET DRAWER I Filed Sept. '16, 1960 INVENTOR Ric hard W. A rmsTro-ng BY wmmzq ATTORNEY United tates 3,041,124SECURITY CANOPY FOR FILWG CABINET DRAWER Richard W. Armstrong, S. GlenRoad, Potomac Rte. 1, Rockville, Md. Filed Sept. 16, 1960, Ser. No.56,609 1 Claim. (Cl. 312270) My invention relates to a security tilingcabinet provided with means for determining whether there has been anunauthorized attempt to enter the cabinet.

With this object in View, I provide a canopy covering the open portionof a filing cabinet drawer which will pull out with the drawer todisclose physical damage of a burglarious attempt but will roll backinto the cabinet only after the drawer is fully open, thus afiordingnormal access to the drawer contents.

Referring to the drawing for a more complete disclosure of theinvention: FIGURE 1 is a fragmentary perspective view of a file cabinetwith an opened drawer and the canopy covering the open portion of thedrawer; FIGURE 2 is a section on the line 2-2 of FIGURE 1; FIGURE 3 is asection on the line '3-3 of FIGURE 2; and FIGURE 4 is a fragmentaryperspective view of a detail.

The cabinet 1 is a conventional metal cabinet provided with slidingdrawers 2 mounted in the cabinet, with the conventional drawersuspension 3 carried by the vertical walls of the cabinet and consistingof telescoping slides 4 and 5, the latter supporting the drawer 2 withroller bearings 6 therebetween.

For suspending the canopy 18 on the drawer 2, an angle iron track 7 issecured to each side of the drawer 2 and rollers 8 are revolubly mountedon the canopy to roll on the tracks 7. On each side of the canopy, alatch 9 is mounted on a pivot 10 which latter is secured to the side ofthe canopy. A tension spring 11 is secured to the latch 9 at one end andat the other end to a bracket 12 secured to the canopy wall. Secured toeach inner side of the cabinet walls near the front of the cabinet is astop 13 for tripping the latch 9. In each track 7 near its inner end isa cut away opening that forms a keeper ice 14 with which the end of thelatch 9 engages, to lock the canopy to the track 7 which is secured tothe canopy. When the canopy is in position completely covering thedrawer and the drawer is in closed position, latch 9 engages the openingof the keeper 14 in the track 7 and the drawer and canopy move as a unitas the drawer is pulled out from its closed position to open position.As the drawer reaches its fully open position, the latch 9 engages thestop 13 on the cabinet to turn the :latch on its pivot 10 and lift thelatch out of engagement with the keeper 14 against the tension of thespring 11. Upon rolling the canopy back into the cabinet and while thedrawer is open, the latch will override the opening of the keeper 14 andpermit the canopy to roll back into the cabinet. On withdrawing thecanopy to cover the open drawer or closing the drawer, the latch 9 willreengage the keeper.

To hold the back of the canopy when it is pushed back into the cabinetto clear the drawer, there is provided a track 15 secured to thesidewall of the cabinet and on which the rear wheel 8 of the canopyruns, the front wheel 8 remaining on the track 7.

I claim:

A security cabinet, a sliding drawer in the cabinet, telescoping slidesbetween the drawer and the cabinet, a canopy carried by the drawer,tracks carried by the drawer, rollers carried by the canopy to roll onthe tracks, a spring latch carried by the canopy, a stop on the cabinetfor tripping the latch, a keeper on the track with which the latchengages to lock the canopy to the track; when the canopy covers thedrawer and the drawer is in closed position, the latch engages thekeeper and the drawer and canopy move as a unit from closed to openposition; when the drawer is fully open, the latch engages the stop onthe cabinet to lift the latch out of engagement with the keeper; whenthe canopy is rolled back into the cabinet and the drawer is open, thelatch will override the opening in the keeper and permit the canopy toroll back into the cabinet.

References Cited in the file of this patent UNITED STATES PATENTS2,769,677 Courson et al. Nov. 6, 1956

